Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.

Dell Inspiron 5405/5505 System BIOS

Restart required AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
This package contains the Dell system BIOS update. BIOS is a firmware package that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices.
To view all drivers for your Inspiron 5505, go to Drivers and downloads.
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Inspiron_5405_5505_1.1.0.exe | 37.81 MB
Enter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.

File Format: CPG BIOS Executable for Windows/DOS
File Name: Inspiron_5405_5505_1.1.0.exe
File Size: 37.81 MB
Format Description
This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.
MD5:
be9da36513ffc6424909015197ad2dab
SHA1:
501f4e9a7e486383a89ef6449de9e71fd91bced6
SHA-256:
49682bedf6f4b671008b1729a57ab32386a472da1890050aa4d1bbe6efe8992f

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

- Fixed the issue where the system does not resume from Modern Standby mode after the Hyper-V feature is enabled in Windows Features.
Read More

Version

1.1.0, 1.1.0

Release date

14 Apr 2021

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.

Additional details

Show All | Hide All
BIOS updates take no more than 5 minutes to be installed on your system. You can install the updates in the background while using the system.
1.16.014 Mar 2024
1.14.010 Jan 2024
1.13.209 Nov 2023
1.12.013 Jun 2023
1.11.011 Apr 2023
1.10.030 Dec 2022
1.9.008 Nov 2022
1.8.126 Sept 2022
1.7.011 Apr 2022
1.6.022 Feb 2022
1.5.429 Jun 2021
1.4.019 Apr 2021
1.3.019 Apr 2021
1.2.116 Apr 2021
1.0.022 Jun 2020
Dell Inspron 5405/5505 System BIOS
Updating the BIOS from Windows

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Download and Installation
1. Click Download File.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file.
4. Double-click the new file.
5. The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.

Updating the BIOS from BIOS Boot Menu (independent of operating system)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Installation
1. Copy the downloaded file to a USB drive. You do not need a bootable USB drive.
2. Insert the USB drive into any USB port.
3. Power on the system.
4. At the DELL logo screen, press F12 to access the one-time boot menu.
5. Select BIOS Flash Update in the Other Options section.
6. Click the ... button to browse the USB drive to locate the downloaded file.
7. Select the file and click OK.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Begin Flash Update.
10. Review the Warning message and click Yes to proceed with the update.
The system restarts and displays a Flash Progress bar at the Dell logo screen. The system restarts again when the Flash update is complete.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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